Wait, care to elaborate? I'd assume it's the other way around; people who don't want to see ads are probably less likely to click on them and drive revenue, no?
He's in a financial position to afford $10 a month for the relative luxury of not being served ads, meaning he has a relatively large disposable income, meaning he's the kind of person I would want to advertise to.
In addition, his disposition for avoiding ads likely means he is running ad blocking, and thus already minimizing his ad exposure. This presents a less crowded field where any ads he does see may have a larger impact on his buying behavior.